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You searched for: subject:"What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer"
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[image]Center-Pivot Irrigation in Railroad Valley, NV - Image courtesy NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan
These Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) images cover an area of 8 x 4 km in Railroad Valley, NV, and were acquired August 17, 2001. The top image shows center-pivot irrigated fields, with healthy vegetation in red. The middle image displays the Normalized Difference Vegetation Index (NDVI), a calculated quantity that portrays the amount of vegetation. (To learn more about NDVI, read: Measuring Vegetation) The color code shows highest vegetation content in dar...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; What -- ASTER
Downloads: 5
[image]Brins Fire near Sedona, Arizona - NASA image created by Jesse Allen, Earth Observatory, using data provided courtesy of NASA/GSFC/METI/ERSDAC/JAROS, and U.S./Japan
Northeast of Sedona, Arizona, the Brins Fire continued to threaten parts of Oak Creek Canyon on June 23, 2006. This image from the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on NASA’s Terra satellite shows the Brins Fire and the town of Sedona. The image doesn’t appear exactly like a digital photo because it uses ASTER’s observations of shortwave and near-infrared light to make the burned area stand out from the unburned vegetation...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; Where -- Arizona
Downloads: 5
[image]Eruption on Augustine Island - NASA image created by Jesse Allen, Earth Observatory, using data obtained courtesy of the NASA/GSFC/METI/ERSDAC/JAROS and U.S./Japan ASTER Science Team
Pyroclastic flows (avalanches of hot ash, pumice, rock, and volcanic gas) poured down the side of the Augustine Volcano in the early hours of February 1, 2006, when the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) took this image. This nighttime view of the volcano shows the eruption in terms of heat from the thermal infrared part of the electromagnetic spectrum. The hot flows glow as white in contrast to the cold, snow-covered land surrounding them...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; Where -- Alaska
Downloads: 5
[image]Landslide in the Philippines - NASA image created by Jesse Allen, Earth Observatory, using ASTER data provided courtesy of NASA/GSFC/METI/ERSDAC/JAROS, and U.S./Japan
By March 1, 2006, the clouds over southern Leyte Island in the Philippines had largely cleared, providing the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on NASA’s Terra satellite with this view of the landslide that buried a town. Nearly 1,000 people died in the town of Guinsaugon when heavy rains triggered the landslide on February 17.In this false-color image, the landslide is pallid gray against the vibrant red of the surrounding vegetation...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; Where -- Philippines
Downloads: 12
[image]Landslide in the Philippines - NASA image created by Jesse Allen, Earth Observatory, using ASTER data provided courtesy of NASA/GSFC/METI/ERSDAC/JAROS, and U.S./Japan
By March 1, 2006, the clouds over southern Leyte Island in the Philippines had largely cleared, providing the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on NASA’s Terra satellite with this view of the landslide that buried a town. Nearly 1,000 people died in the town of Guinsaugon when heavy rains triggered the landslide on February 17.In this false-color image, the landslide is pallid gray against the vibrant red of the surrounding vegetation...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; Where -- Philippines
Downloads: 7
[image]Pot Peak Fire in Northern Washington - Image created by Jess Clark at the U.S. Forest Service Remote Sensing Applications Center using data provided by the Science Team and the
In the Okanogan and Wenatchee National Forests in north-central Washington, the Pot Peak Fire has been burning since it was started by lightning on June 26, 2004. In late July, another lightning-caused fire, the Deep Harbor Fire, sprang up nearby and the two had grown to more than 47,000 acres by August 17. The fires were burning in the Sawtooth Mountains around Lake Chelan about 15 miles northwest of the town of Chelan.This image shows the Pot Peak (left of center) and Deep Harbor (above and to...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; Where -- Washington
Downloads: 5
[image]February Fire in Arizona - NASA image created by Jesse Allen, Earth Observatory, using ASTER data provided courtesy of NASA/GSFC/METI/ERSDAC/JAROS, and U.S./Japan
North of Payson, Arizona, an early-season fire broke out in the rugged terrain along the Mogollon Rim in the Tonto National Forest on February 6, 2006. The fire spread south and southwest through a landscape of chaparral, pine, and juniper for more than a week. It eventually burned through about 4,243 acres (about 17 square kilometers) before firefighters contained it. This false-color image captured on February 15 by the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on ...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; Where -- Arizona
Downloads: 4
[image]Colima's Long Eruption - Eruption information from the Global Volcanism Network. Satellite data provided by the , University of Hawaii Manoa. ASTER image courtesy NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan
The Colima Volcano part of a complex of volcanoes that forms the center of the Western Mexico Volcanic Belt. Rising 3,850 meters above the forested valley around the Nevado National Park, Colima is one of Mexico’s most active volcanoes. Most recently, on September 28, 2004, a new lava dome began to rise from Colima’s summit crater. By September 30, block and ash flows—an avalanche of hot volcanic rock—began streaming down the mountain, and lava bubbled out starting on October 1...
Keywords: What -- Crater; What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer
Downloads: 4
[image]Brins Fire Near Sedona, AZ - NASA image created by Jesse Allen, Earth Observatory, using data provided courtesy of NASA/GSFC/METI/ERSDAC/JAROS, and U.S./Japan
Northeast of Sedona, Arizona, the Brins Fire continued to threaten parts of Oak Creek Canyon on June 23, 2006. This image from the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on NASA’s Terra satellite shows the Brins Fire and the town of Sedona. The image doesn’t appear exactly like a digital photo because it uses ASTER’s observations of shortwave and near-infrared light to make the burned area stand out from the unburned vegetation...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; Where -- Arizona
Downloads: 4
[image]Eruption on Augustine Island, Alaska - NASA image created by Jesse Allen, Earth Observatory, using data obtained courtesy of the NASA/GSFC/METI/ERSDAC/JAROS and U.S./Japan ASTER Science Team
Hot pyroclastic flows (avalanches of hot ash, pumice, rock and volcanic gas) poured down the side of the Augustine Volcano in the early hours of February 1, 2006, when the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) took this image. This nighttime view of the volcano shows the eruption in terms of heat from the thermal infrared part of the electromagnetic spectrum. The hot flows glow white in contrast to the cold, snow-covered land surrounding them...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; Where -- Alaska
Downloads: 3
[image]Mount Belinda Erupts - NASA image created by Jesse Allen, Earth Observatory and the Image analysis by John Smellie, British Antarctic Survey; and Matt Patrick, HIGP Thermal Alerts Team.
The first recorded eruption of Mount Belinda Volcano, on Montagu Island in the remote South Sandwich Islands, began in October 2001. The eruption was first detected by the MODIS Thermal Alert System (MODVOLC), an automated volcano alert system based on thermal anomalies, or “hot spots,” detected in satellite data. The first visual confirmation of the eruption came from ships that passed the islands in February and March 2003, at which time the volcano was still erupting.The Advanced Spacebor...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer
Downloads: 4
[image]Crop Circles in Kansas - NASA/GSFC/METI/ERSDAC/JAROS, and U.S./Japan
Resembling a work of modern art, variegated green crop circles cover what was once shortgrass prairie in southwestern Kansas. The most common crops in this region—Finney County—are corn, wheat, and sorghum. Each of these crops was at a different point of development when the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) captured this image on June 24, 2001, accounting for the varying shades of green and yellow...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; Where -- Kansas
Downloads: 30
[image]Lava at Sierra Negra Summit - NASA image created by Jesse Allen, Earth Observatory, using data provided courtesy of courtesy of Eric Fielding (NASA/JPL), the NASA/GSFC/METI/ERSDAC/JAROS, and U.S./Japan ASTER Science Team
The Sierra Negra Volcano in the Galapagos Islands began erupting on October 22, 2005. In early November, Sierra Negra’s lava flow was so hot it could be seen at night—by a thermal infrared satellite sensor, that is. On November 2, 2005, the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) flying onboard NASA’s Terra satellite captured this nighttime image of the volcano.This false-color image shows the summits of the Sierra Negra Volcano (“Black Mountain Range”) i...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; What -- ASTER
Downloads: 3
[image]Ash Plume from Karymsky - NASA image created by Jesse Allen, Earth Observatory, using expedited ASTER data provided the NASA/GSFC/MITI/ERSDAC/JAROS and U.S./Japan
The Karymsky Volcano in far northeastern Russia had been erupting several times a day for about a week prior to emitting this ash plume on June 19, 2006. The Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on NASA’s Terra satellite captured this false-color image. In this picture, red indicates vegetation, which is lush around the volcano but very sparse on its slopes. The water of Karymskoye Lake appears in blue...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; Where -- Russia
Downloads: 3
[image]Fires in Portugal - NASA image created by Jesse Allen, Earth Observatory, using data provided by the NASA/GSFC/METI/ERSDAC/JAROS, and U.S./Japan
The devastating fires that raged across Portugal in July and August 2005 did not spare the country’s largest park their fury. In central Portugal, almost the entire range of the country’s highest mountains, the Serra da Estrela, are part of a national park, in which a rural economy of agriculture, including herding of goats and sheep, co-exists with scenic views, significant cultural and historical sites, and good examples of glacier-carved topography.Although small fires had started and bee...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; Where -- Portugal
Downloads: 4
[image]Restless Augustine Island - NASA image created by Jesse Allen, Earth Observatory, using data obtained courtesy of the NASA/GSFC/METI/ERSDAC/JAROS and U.S./Japan ASTER Science Team.
Alaska’s Augustine Volcano started 2006 with a bang, producing explosive eruptions in mid-January. The volcano had quieted by March 2006, although the Alaska Volcano Observatory (AVO) warned that explosive eruptions could still occur at any time. The volcano continued a fairly similar behavior pattern in April.The Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on NASA ’s Terra satellite captured this image on April 18, 2006...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; Where -- Alaska
Downloads: 9
[image]Mount Belinda Erupts - NASA image created by Jesse Allen, Earth Observatory and the . Image analysis by John Smellie, British Antarctic Survey; and Matt Patrick, HIGP Thermal Alerts Team.
The first recorded eruption of Mount Belinda Volcano, on Montagu Island in the remote South Sandwich Islands, began in October 2001. The eruption was first detected by the MODIS Thermal Alert System (MODVOLC), an automated volcano alert system based on thermal anomalies, or “hot spots,” detected in satellite data. The first visual confirmation of the eruption came from ships that passed the islands in February and March 2003, at which time the volcano was still erupting.The Advanced Spacebor...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer
Downloads: 4
[image]Center-Pivot Irrigation in Railroad Valley, NV - Image courtesy NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan
These Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) images cover an area of 8 x 4 km in Railroad Valley, NV, and were acquired August 17, 2001. The top image shows center-pivot irrigated fields, with healthy vegetation in red. The middle image displays the Normalized Difference Vegetation Index (NDVI), a calculated quantity that portrays the amount of vegetation. (To learn more about NDVI, read: Measuring Vegetation) The color code shows highest vegetation content in dar...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; What -- ASTER
Downloads: 6
[image]Klyuchevskaya Volcano Erupts - NASA image created by Jesse Allen, Earth Observatory, using data provided courtesy of NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan .
The Klyuchevskaya Volcano is the highest volcano on northeastern Russia’s Kamchatka Peninsula. The 4,750-meter (15, 584-foot) peak is also the peninsula’s most active. A new phase of eruptive activity began in January 2005, with seismic activity higher than normal and repeated ash and steam plumes. On February 21, the Kamchatkan Volcanic Eruption Response Team reported that an eruption of Klyuchevskaya had produced a lava flow down the northern flank of the volcano that melted a large portio...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; What -- Crater
Downloads: 4
[image]The Continuing Eruption of Mt. Etna - Image courtesy NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan
Located near the east coast of Italy's province of Sicily, Mount Etna is Europe's most active volcano and is one of the world's largest continental volcanoes, standing about 3,350 m (10,991 feet) tall. Mount Etna has a broad base (or shield) spanning roughly 60 by 40 km (36 by 24 miles) and reaching an altitude of about 2,900 m (9,500 feet). The remaining 400 m (1,200 feet) at its top is a stratovolcano made from several vents that have coalesced.Most of the surface of Mount Etna is covered by h...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; What -- ASTER
Downloads: 6
[image]Sierra Negra Erupts - NASA image created by Jesse Allen, Earth Observatory, using data provided courtesy of courtesy of Eric Fielding (NASA/JPL), the NASA/GSFC/METI/ERSDAC/JAROS, and U.S./Japan ASTER Science Team
The Sierra Negra Volcano in the Galapagos Islands began erupting on October 22, 2005. In early November, Sierra Negra’s lava flow was so hot it could be seen at night—by a thermal infrared satellite sensor, that is. On November 2, 2005, the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) flying onboard NASA’s Terra satellite captured this nighttime image of the volcano.This false-color image shows the summits of the Sierra Negra Volcano (“Black Mountain Range”) i...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; What -- ASTER
Downloads: 6
[image]The Continuing Eruption of Mt. Etna - Image courtesy NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan
Located near the east coast of Italy's province of Sicily, Mount Etna is Europe's most active volcano and is one of the world's largest continental volcanoes, standing about 3,350 m (10,991 feet) tall. Mount Etna has a broad base (or shield) spanning roughly 60 by 40 km (36 by 24 miles) and reaching an altitude of about 2,900 m (9,500 feet). The remaining 400 m (1,200 feet) at its top is a stratovolcano made from several vents that have coalesced.Most of the surface of Mount Etna is covered by h...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; What -- ASTER
Downloads: 4
[image]Eruption on Augustine Island, Alaska - NASA image created by Jesse Allen, Earth Observatory, using data obtained courtesy of the NASA/GSFC/METI/ERSDAC/JAROS and U.S./Japan ASTER Science Team.
Alaska’s Augustine Volcano started 2006 with a bang, producing explosive eruptions in mid-January. The volcano had quieted by March 2006, although the Alaska Volcano Observatory (AVO) warned that explosive eruptions could still occur at any time. The volcano continued a fairly similar behavior pattern in April.The Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on NASA ’s Terra satellite captured this image on April 18, 2006...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; Where -- Alaska
Downloads: 6
[image]Eruption of Klyuchevskaya Volcano - NASA image created by Jesse Allen, Earth Observatory, using data provided courtesy of NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan .
The rising sun bathes the eastern half of Russia’s Kamchatka Peninsula with light, casting long shadows in the west. The shadows highlight the plume of ash that continues to rise from the Klyuchevskaya Volcano. The largest and most active volcano on the peninsula, Klyuchevskaya has erupted regularly since its first recorded eruption in 1697. Its most recent activity began in mid-January 2005, and has not abated...
Keywords: What -- Sun; What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer
Downloads: 11
[image]Mount Merapi - NASA image created by Jesse Allen, Earth Observatory, using data provided courtesy of the NASA/GSFC/METI/ERSDAC/JAROS and U.S./Japan ASTER Science Team.
A nighttime view of Mount Merapi, on the island of Java, shows characteristics of the volcano not usually seen during the day. The Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on NASA’s Terra satellite captured this thermal image of the volcano on May 30, 2006. Shown mostly in shades of gray, this image shows the summits of Mount Merapi and nearby Mount Gunung. Just south of Mount Merapi’s summit is a network of thermal hotspots.This ASTER image indicates cooler are...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; What -- ASTER
Downloads: 11
[image]Cape Horn - NASA/GSFC/METI/ERSDAC/JAROS, and U.S./Japan
The southern tip of South America tapers off into a collection of rugged islands known as Tierra del Fuego. The southernmost headland in this archipelago (group of islands) is Cape Horn. Before the completion of the Panama Canal, ships had to “round the Horn” in order to move goods or people from the Atlantic side of North and South America to the Pacific. The area is notorious for its sailing hazards: strong winds, large waves, and icebergs drifting up from Antarctica.This image from the Ad...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; Where -- Panama
Downloads: 11
[image]Fires in Portugal - NASA image created by Jesse Allen, Earth Observatory, using data provided by the NASA/GSFC/METI/ERSDAC/JAROS, and U.S./Japan
The devastating fires that raged across Portugal in July and August 2005 did not spare the country’s largest park their fury. In central Portugal, almost the entire range of the country’s highest mountains, the Serra da Estrela, are part of a national park, in which a rural economy of agriculture, including herding of goats and sheep, co-exists with scenic views, significant cultural and historical sites, and good examples of glacier-carved topography.Although small fires had started and bee...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; Where -- Portugal
Downloads: 3
[image]Palmanova, Italy - NASA image created by Jesse Allen, Earth Observatory, using ASTER data provided courtesy of NASA/GSFC/METI/ERSDAC/JAROS, and U.S./Japan
On October 7, 1593, the superintendent of the Republic of Venice founded a revolutionary new kind of settlement: Palmanova. The city’s founding date commemorated the victory of European forces (supplied primarily by the Venetian republic) over Ottoman Turks in the Battle of Lepanto. October 7 also celebrated Saint Justina, chosen as the city’s patron saint. Using all the latest military innovations of the 16th century, this tiny town was a fortress in the shape of a nine-pointed star...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; Where -- Italy
Downloads: 23
[image]Salt Ponds in San Francisco Bay: Image of the Day - NASA -- NASA image created by Jesse Allen, Earth Observatory, using data provided courtesy of NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan asterweb.jpl.nasa.gov/ ASTER Science Team
In coming years, the shores of San Francisco Bay south of the San Mateo Bridge will begin to look a bit more like their former, pre-developed selves. The South Bay Salt Pond Restoration Project will be converting several clusters of salt evaporation ponds, pictured in vivid color in this Advanced Spaceborne Thermal Emission and Reflection Radiometer asterweb.jpl.nasa.gov (ASTER) image from October 6, 2003, back into the tidal marshes, mudflats and other wetland ecosystems that pre-date human dev...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; What -- ASTER
Downloads: 37
[image]Saltfjellet-Svartisen National Park, Norway: Image of the Day
The western margin of northern Scandinavia's largest ice sheet, Svartisen Glacier, edges into the right-hand part of this image of western Norway. The glacier is part of Saltfjellet-Svartisen National Park, which encompasses the glacier, the coastal fjords, and the mountains and valleys inland of the glacier (not pictured). This image of the southwestern part of the park shows the diverse topography of the area...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer
Downloads: 21
[image]Salt Ponds in San Francisco Bay - NASA image created by Jesse Allen, Earth Observatory, using data provided courtesy of NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan
In coming years, the shores of San Francisco Bay south of the San Mateo Bridge will begin to look a bit more like their former, pre-developed selves. The South Bay Salt Pond Restoration Project will be converting several clusters of salt evaporation ponds, pictured in vivid color in this Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) image from October 6, 2003, back into the tidal marshes, mudflats and other wetland ecosystems that pre-date human development of the area.I...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; What -- ASTER
Downloads: 7
[image]Center-Pivot Irrigation in Railroad Valley, NV : Image of the Day - NASA -- Image courtesy NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan asterweb.jpl.nasa.gov/ ASTER Science Team
These Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) images cover an area of 8 x 4 km in Railroad Valley, NV, and were acquired August 17, 2001. The top image shows center-pivot irrigated fields, with healthy vegetation in red. The middle image displays the Normalized Difference Vegetation Index (NDVI), a calculated quantity that portrays the amount of vegetation. (To learn more about NDVI, read: ../Features/MeasuringVegetation/ Measuring Vegetation ) The color code shows...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; What -- ASTER
Downloads: 25
[image]Global Digital Elevation Model - NASA
This Global Digital Elevation Model, or GDEM, is a product of the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER), a joint program of NASA and Japan's Ministry of Economy, Trade and Industry. The image was released on June 29, 2009, and was created by processing and stereo-correlating the 1.3 million-scene ASTER archive of optical images, covering Earth's land surface between 83 degrees North and 83 degrees South latitudes...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; What -- ASTER
Downloads: 360
[image]Patagonian Glacier - Image courtesy NASA/GSFC/MITI/ERSDAC/JAROS,and U.S./Japan ASTER Science Team
This image of a Patagonian glacier was aqcuired by the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on May 2, 2000. Patagonia is a mountainous region spanning the border between Chile and Argentina near the southern tip of South America. The image covers an area of 36 x 30 km—the full-size image has a resolution of 15 meters per pixel. Vegetation appears red in the image, which is a false-color composite of near-infrared, red, and green light displayed as red, green, ...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; What -- ASTER; Where -- Chile; Where -- Argentina
Downloads: 7
[image]San Francisco Bay Sediment Concentration - Image courtesy
This March 3, 2000 image of the San Francisco Bay region shows a 60 by 75 kilometer Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) image in band 1 (near infrared, 0.52-0.60 microns). The color coded suspended sediment image was created from band 1 by blacking out the land, and assigning colors to the relative brightnesses in the water. High values were colored white, then red, yellow, green, and blue...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; What -- ASTER; Where -- Sacramento; Where -- Pacific Ocean
Downloads: 4
[image]Kilauea Volcano: Image of the Day - NASA -- NASA image by Jesse Allen, using data provided courtesy of the NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan ASTER Science Team.
On June 17, 2007, the ground under Kilauea underwent a -- a flurry of small earthquakes. A couple weeks later, on July 2, 2007, the Advanced Spaceborne Thermal Emission and Reflection Radiometer asterweb.jpl.nasa.gov/ (ASTER) flying on NASA's terra.nasa.gov/ Terra satellite captured this image of Kilauea. In this simulated true-color image, brown indicates bare rock, green indicates vegetation, and white indicates clouds...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; What -- ASTER; What -- Terra; What -- Crater; What -- Earth
Downloads: 23
[image]Argyle Diamond Mine, Australia - Image courtesy NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan
The Argyle open-pit diamond mine, located in the Kimberley region in the far northeast of Western Australia, is the world’s largest single producer of diamonds. The region is remote, rugged and hot, with temperatures of over 40°C during the wet season from October to March. The discovery of the Argyle orebody marked the first time that a commercial diamond occurrence had been identified in lamproite rocks, instead of kimberlite...
Keywords: What -- Discovery; What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; What -- ASTER; Where -- Australia
Downloads: 10
[image]High Resolution View of Mount Oyama - Image courtesy NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan
Eruptions of Mount Oyama progressively covered the volcano's slopes with more and more ash over the last half of 2000. This pair of images from the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) shows the volcano on July 17, 2000 (left) and September 3, 2000 (right). The false-color images combine infrared, red, and green light as red, blue, and green colors, respectively. Ash is dark gray, vegetation appears red, and water is blue-gray...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; What -- ASTER; Where -- Pacific Ocean; Where -- Taiwan
Downloads: 3
[image]Rocky Mountain Fires - Image courtesy NASA/GSFC/METI/ERSDAC/JAROS, and U.S./Japan
The Hayman Fire, which started on June 8, continues to burn in the Pike National Forest, 57 kilometers (35 miles) south-southwest of Denver. According to the U.S. Forest Service, the fire has consumed more than 100,000 acres and has become Colorado's worst fire ever. More than 50 neighborhoods have been evacuated, forcing more than 5,000 people from their homes. Erratic winds continue to produce extreme fire behavior...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; What -- ASTER; Where -- Denver
Downloads: 3
[image]Chiliques Volcano, Chile - Image courtesy NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan
The Chiliques volcano, which hasn’t erupted in at least 10,000 years, is now showing signs of life. This pair of images from the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) shows the volcano in visible and nrea-infrared light (top) and thermal infrared (lower). The thermal infrared image shows hot spots in the summit crtaer caused by magma just under the surface.For more information, read: Dormant Volcanoes Shows Signs of Life Sensor: Terra/ASTER.
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; What -- ASTER; Where -- Chile
Downloads: 29
[image]Registan Dunes - Image courtesy NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan
In southern Afghanistan, shifting sand dunes flow across the huge, sandy desert known as the Registan. When the winds constantly blow from the same direction over relatively flat terrain with a small to moderate amount of sand, the sand will pile up in crescent-moon shaped dunes, whose thin tips point in the direction of the wind flow. Called barchan dunes, these dunes will migrate across the desert surface as sand grains on the crest of the dune are toppled by the wind and spill down the leewar...
Keywords: What -- Moon; What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; Where -- Afghanistan; Where -- New Mexico
Downloads: 4
[image]Burn Scar Near Fort Carson, Colorado: Image of the Day - NASA -- NASA Image Of The Day
A fast-moving brushfire raced across the Colorado landscape near Fort Carson in mid-April. The blaze forced evacuations in the area and took more than a week -- which included a beneficial snow storm -- to contain. The fire scorched more than 9,000 acres according to news reports, and a pilot lost his life while helping to fight the fire. This image of the area burned by the fire was captured by the Advanced Spaceborne Thermal Emission and Reflection Radiometer asterweb.jpl.nasa.gov/ (ASTER) on ...
Keywords: What -- FAST; What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; What -- ASTER; What -- Terra; Where -- Colorado
Downloads: 9
[image]New Activity on Mayon Volcano, Philippines - NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan
The 2,462-meter Mayon volcano, located about 340 km southeast of Manila in Albay province, Philippines, is famous for its near-perfect conical shape despite dozens of eruptions in the past 300 years. Mayon’s last major eruption was in 1993, when 70 people died and more than 50,000 people were evacuated. These two nighttime thermal infrared images were captured by the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER), flying aboard NASA's Terra spacecraft, on April 1 and Ma...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; What -- ASTER; Where -- Manila; Where -- Philippines
Downloads: 9
[image]Chile Altiplano Unconformity : Image of the Day - NASA -- Image courtesy NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan asterweb.jpl.nasa.gov/'' target=''outlink ASTER Science Team
This 10.5 by 11 km area in northern Chile was acquired by the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on April 7, 2000. Dramatically displayed is a geological angular unconformity: a contact between layers of rock at different angles. On the right side of the image, Cretaceous sediments (146 to 65 million years old) were tilted upward to an angle of about 50 degrees, then eroded...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; What -- ASTER; Where -- Chile
Downloads: 14
[image]Chile Altiplano Unconformity - Image courtesy NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan
This 10.5 by 11 km area in northern Chile was acquired by the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on April 7, 2000. Dramatically displayed is a geological angular unconformity: a contact between layers of rock at different angles. On the right side of the image, Cretaceous sediments (146 to 65 million years old) were tilted upward to an angle of about 50 degrees, then eroded...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; What -- ASTER; Where -- Chile
Downloads: 6
[image]3-D View of Grand Canyon - Image courtesy NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan
The Grand Canyon is one of North America's most spectacular geologic features. Carved primarily by the Colorado River over the past six million years, the canyon sports vertical drops of 5,000 feet and spans a 277-mile-long stretch of Arizona desert. The strata along the steep walls of the canyon form a record of geologic time from the Paleozoic Era (250 million years ago) to the Precambrian (1.7 billion years ago).The above view was acquired by the Advanced Spaceborne Thermal Emission and Refle...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; What -- ASTER; Where -- Colorado; Where -- Arizona
Downloads: 5
[image]New Island and Pumice Raft, Tonga: Natural Hazards - NASA -- NASA Image Of The Day
In August 2006, a earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=17461 pumice raft in the Tonga islands alerted sailors to the emergence of a new volcanic island known as Home Reef. After its appearance, the Advanced Spaceborne Thermal Emission and Reflection Radiometer asterweb.jpl.nasa.gov (ASTER) on NASA's terra.nasa.gov Terra satellite tracked the new island's progress. Although prominent in early October, the island had retreated somewhat by mid-November...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; What -- ASTER; What -- Terra; What -- Earth; Where -- Tonga
Downloads: 17
[image]Sydney, Australia - Image courtesy NASA/GSFC/METI/ERSDAC/JAROS, and U.S./Japan
Home to more than four million people from over 100 countries, Sydney is the largest and most cosmopolitan of Australia?s cities. This simulated true-color Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) image shows the Sydney metropolitan area on October 12, 2001, and covers an area of 42 by 33 kilometers. The image displays the concentrated development of the urban area. Sustainable use of water and effective water management are prime concerns for the area...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; What -- ASTER; Where -- Sydney; Where -- Australia
Downloads: 13
[image]El Misti Volcano and the City of Arequipa, Peru - Image by Mike Abrams, NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan
additional images and animations:    high-resolution image (650 kb JPEG)    small animation (1.9 MB Quicktime)    large animation (10.4 MB Quicktime)This three-dimensional perspective view was created from an Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) Digital Elevation Model combined with a simulated natural color ASTER image, acquired July 13, 2001. It shows El Misti volcano towering 5822 meters high above the second city of Peru, Arequipa, with a population...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; What -- ASTER; Where -- Peru
Downloads: 8
[image]Lake Naivasha, Kenya: Image of the Day - NASA -- NASA Image Of The Day
Outside the ground is frozen, quite possibly covered in snow and ice, and yet, stroll through a supermarket in North America or Europe in February, and you'll be confronted with large displays of roses. We expect flowers in winter, and equatorial countries meet those expectations. A quarter of the cut flowers sold in Europe are grown in Kenya. Straddling the equator, Kenya gets steady sunlight dealt out in days that vary little in length...
Keywords: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer; What -- ASTER; What -- Terra; Where -- Kenya
Downloads: 13
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